146256137 has 4 divisors (see below), whose sum is σ = 146484240. Its totient is φ = 146028036.

The previous prime is 146256119. The next prime is 146256161. The reversal of 146256137 is 731652641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731652641 = 8011 ⋅91331.

It is a cyclic number.

It is not a de Polignac number, because 146256137 - 2⁶ = 146256073 is a prime.

It is a super-2 number, since 2×146256137² = 42781715220325538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146256097 and 146256106.

It is not an unprimeable number, because it can be changed into a prime (146256037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113087 + ... + 114372.

It is an arithmetic number, because the mean of its divisors is an integer number (36621060).

Almost surely, 2^146256137 is an apocalyptic number.

It is an amenable number.

146256137 is a deficient number, since it is larger than the sum of its proper divisors (228103).

146256137 is an equidigital number, since it uses as much as digits as its factorization.

146256137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228102.

The product of its digits is 30240, while the sum is 35.

The square root of 146256137 is about 12093.6403535081. The cubic root of 146256137 is about 526.8714909049.

The spelling of 146256137 in words is "one hundred forty-six million, two hundred fifty-six thousand, one hundred thirty-seven".